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Merck

12354

Iron(II) sulfate heptahydrate

greener alternative

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric)

Sinónimos:

Ferrous sulfate heptahydrate

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Fórmula lineal:
FeSO4 · 7H2O
Número CAS:
Peso molecular:
278.01
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-753-5
MDL number:
Assay:
99.5-104.5% (manganometric)
Form:
crystals
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vapor pressure

14.6 mmHg ( 25 °C)

Quality Level

grade

puriss.

assay

99.5-104.5% (manganometric)

form

crystals

quality

meets analytical specification of Ph. Eur., BP, USP, FCC

shelf life

Shelf life is limited

reaction suitability

reagent type: catalyst
core: iron

greener alternative product characteristics

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impurities

organic volatile impurities, complies (GC), residual solvents, complies, ≤0.005% heavy metals (as Pb)

pH

3-4 (20 °C, 5%)

density

1.898 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤100 mg/kg

cation traces

As: ≤2 mg/kg, Ca: ≤200 mg/kg, Cr: ≤50 mg/kg, Cu: ≤30 mg/kg, Fe3+: ≤2000 mg/kg, Hg: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤200 mg/kg, Mn: ≤1000 mg/kg, Na: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤2 mg/kg, Zn: ≤20 mg/kg

suitability

complies for appearance of solution

greener alternative category

SMILES string

O.O.O.O.O.O.O.[Fe++].[O-]S([O-])(=O)=O

InChI

1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

InChI key

SURQXAFEQWPFPV-UHFFFAOYSA-L

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General description

Iron(II) sulfate heptahydrate is a heptahydrate of iron(II) sulfate. It undergoes thermal degradation to afford hydrosulfate and oxysulfate of iron(III). Isothermal and dynamic thermal analysis methods have been proposed to study its thermal decomposition in air.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. IRON(II) SULFATE HEPTAHYDRATE is essential for developing greener energy solutions, particularly in iron-based lithium-ion batteries. Its eco-friendly properties enhance energy storage efficiency, reduce reliance on harmful materials, and support the advancement of sustainable technologies. Click here for more information.

Application

Iron(II) sulfate heptahydrate (FeSO4.7H2O) may be used in the synthesis of maghemite nanoparticles.

Packaging

bottled under inert gas

Disclaimer

tends to oxidation by air

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Clase de almacenamiento

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable


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Synthesis and characterization of γ-Fe2O3 nanoparticles for applications in magnetic hyperthermia.
Avram A, et al.
Synthesis, 10(P151), 1-1 (2011)
Thermal analysis of iron (II) sulphate heptahydrate in air. V: Thermal decomposition of hydroxy and oxysulphates.
Swamy M and Prasad T.
Journal of Thermal Analysis and Calorimetry, 20(1), 107-114 (1981)
Thermal analysis of iron (II) sulphate heptahydrate in air: III. Thermal decomposition of intermediate hydrates.
Swami MSR and Prasad TP.
Journal of Thermal Analysis and Calorimetry, 19(2), 297-304 (1980)
Yanyan Wei et al.
Food chemistry, 138(2-3), 1952-1958 (2013-02-16)
The present study evaluated the effectiveness of germination and iron fortification on iron concentration and bioavailability of brown rice. Iron fortification during germination process with 0.05-2 g/L ferrous sulfate increased the iron concentration in germinated brown rice from 1.1 to
Roshini Ebenezer et al.
Tropical medicine & international health : TM & IH, 18(8), 942-951 (2013-07-11)
To assess the impact of deworming and iron supplementation on the cognitive abilities and educational achievement of school-age children in Sri Lanka. Prospective, placebo-controlled randomised study. The treatment group received deworming and weekly iron supplementation for 6 months; the control group

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